From: Jan Kiszka <jan.kis...@siemens.com> No functional changes.
Signed-off-by: Jan Kiszka <jan.kis...@siemens.com> Signed-off-by: Marcelo Tosatti <mtosa...@redhat.com> --- kvm-all.c | 139 ++++++++++++++++++++++++++++++++++-------------------------- 1 files changed, 79 insertions(+), 60 deletions(-) diff --git a/kvm-all.c b/kvm-all.c index 935c436..86ddbd6 100644 --- a/kvm-all.c +++ b/kvm-all.c @@ -88,10 +88,12 @@ static KVMSlot *kvm_alloc_slot(KVMState *s) for (i = 0; i < ARRAY_SIZE(s->slots); i++) { /* KVM private memory slots */ - if (i >= 8 && i < 12) + if (i >= 8 && i < 12) { continue; - if (s->slots[i].memory_size == 0) + } + if (s->slots[i].memory_size == 0) { return &s->slots[i]; + } } fprintf(stderr, "%s: no free slot available\n", __func__); @@ -226,9 +228,10 @@ int kvm_init_vcpu(CPUState *env) } #ifdef KVM_CAP_COALESCED_MMIO - if (s->coalesced_mmio && !s->coalesced_mmio_ring) - s->coalesced_mmio_ring = (void *) env->kvm_run + - s->coalesced_mmio * PAGE_SIZE; + if (s->coalesced_mmio && !s->coalesced_mmio_ring) { + s->coalesced_mmio_ring = + (void *)env->kvm_run + s->coalesced_mmio * PAGE_SIZE; + } #endif ret = kvm_arch_init_vcpu(env); @@ -275,16 +278,14 @@ static int kvm_dirty_pages_log_change(target_phys_addr_t phys_addr, int kvm_log_start(target_phys_addr_t phys_addr, ram_addr_t size) { - return kvm_dirty_pages_log_change(phys_addr, size, - KVM_MEM_LOG_DIRTY_PAGES, - KVM_MEM_LOG_DIRTY_PAGES); + return kvm_dirty_pages_log_change(phys_addr, size, KVM_MEM_LOG_DIRTY_PAGES, + KVM_MEM_LOG_DIRTY_PAGES); } int kvm_log_stop(target_phys_addr_t phys_addr, ram_addr_t size) { - return kvm_dirty_pages_log_change(phys_addr, size, - 0, - KVM_MEM_LOG_DIRTY_PAGES); + return kvm_dirty_pages_log_change(phys_addr, size, 0, + KVM_MEM_LOG_DIRTY_PAGES); } static int kvm_set_migration_log(int enable) @@ -356,7 +357,7 @@ static int kvm_get_dirty_pages_log_range(unsigned long start_addr, * @end_addr: end of logged region. */ static int kvm_physical_sync_dirty_bitmap(target_phys_addr_t start_addr, - target_phys_addr_t end_addr) + target_phys_addr_t end_addr) { KVMState *s = kvm_state; unsigned long size, allocated_size = 0; @@ -480,9 +481,8 @@ static int kvm_check_many_ioeventfds(void) #endif } -static void kvm_set_phys_mem(target_phys_addr_t start_addr, - ram_addr_t size, - ram_addr_t phys_offset) +static void kvm_set_phys_mem(target_phys_addr_t start_addr, ram_addr_t size, + ram_addr_t phys_offset) { KVMState *s = kvm_state; ram_addr_t flags = phys_offset & ~TARGET_PAGE_MASK; @@ -589,13 +589,13 @@ static void kvm_set_phys_mem(target_phys_addr_t start_addr, } /* in case the KVM bug workaround already "consumed" the new slot */ - if (!size) + if (!size) { return; - + } /* KVM does not need to know about this memory */ - if (flags >= IO_MEM_UNASSIGNED) + if (flags >= IO_MEM_UNASSIGNED) { return; - + } mem = kvm_alloc_slot(s); mem->memory_size = size; mem->start_addr = start_addr; @@ -611,30 +611,29 @@ static void kvm_set_phys_mem(target_phys_addr_t start_addr, } static void kvm_client_set_memory(struct CPUPhysMemoryClient *client, - target_phys_addr_t start_addr, - ram_addr_t size, - ram_addr_t phys_offset) + target_phys_addr_t start_addr, + ram_addr_t size, ram_addr_t phys_offset) { - kvm_set_phys_mem(start_addr, size, phys_offset); + kvm_set_phys_mem(start_addr, size, phys_offset); } static int kvm_client_sync_dirty_bitmap(struct CPUPhysMemoryClient *client, - target_phys_addr_t start_addr, - target_phys_addr_t end_addr) + target_phys_addr_t start_addr, + target_phys_addr_t end_addr) { - return kvm_physical_sync_dirty_bitmap(start_addr, end_addr); + return kvm_physical_sync_dirty_bitmap(start_addr, end_addr); } static int kvm_client_migration_log(struct CPUPhysMemoryClient *client, - int enable) + int enable) { - return kvm_set_migration_log(enable); + return kvm_set_migration_log(enable); } static CPUPhysMemoryClient kvm_cpu_phys_memory_client = { - .set_memory = kvm_client_set_memory, - .sync_dirty_bitmap = kvm_client_sync_dirty_bitmap, - .migration_log = kvm_client_migration_log, + .set_memory = kvm_client_set_memory, + .sync_dirty_bitmap = kvm_client_sync_dirty_bitmap, + .migration_log = kvm_client_migration_log, }; int kvm_init(int smp_cpus) @@ -651,9 +650,9 @@ int kvm_init(int smp_cpus) #ifdef KVM_CAP_SET_GUEST_DEBUG QTAILQ_INIT(&s->kvm_sw_breakpoints); #endif - for (i = 0; i < ARRAY_SIZE(s->slots); i++) + for (i = 0; i < ARRAY_SIZE(s->slots); i++) { s->slots[i].slot = i; - + } s->vmfd = -1; s->fd = qemu_open("/dev/kvm", O_RDWR); if (s->fd == -1) { @@ -664,8 +663,9 @@ int kvm_init(int smp_cpus) ret = kvm_ioctl(s, KVM_GET_API_VERSION, 0); if (ret < KVM_API_VERSION) { - if (ret > 0) + if (ret > 0) { ret = -EINVAL; + } fprintf(stderr, "kvm version too old\n"); goto err; } @@ -750,8 +750,9 @@ int kvm_init(int smp_cpus) #endif ret = kvm_arch_init(s, smp_cpus); - if (ret < 0) + if (ret < 0) { goto err; + } kvm_state = s; cpu_register_phys_memory_client(&kvm_cpu_phys_memory_client); @@ -762,10 +763,12 @@ int kvm_init(int smp_cpus) err: if (s) { - if (s->vmfd != -1) + if (s->vmfd != -1) { close(s->vmfd); - if (s->fd != -1) + } + if (s->fd != -1) { close(s->fd); + } } qemu_free(s); @@ -829,8 +832,9 @@ static void kvm_handle_internal_error(CPUState *env, struct kvm_run *run) cpu_dump_state(env, stderr, fprintf, 0); if (run->internal.suberror == KVM_INTERNAL_ERROR_EMULATION) { fprintf(stderr, "emulation failure\n"); - if (!kvm_arch_stop_on_emulation_error(env)) - return; + if (!kvm_arch_stop_on_emulation_error(env)) { + return; + } } /* FIXME: Should trigger a qmp message to let management know * something went wrong. @@ -870,8 +874,9 @@ static void do_kvm_cpu_synchronize_state(void *_env) void kvm_cpu_synchronize_state(CPUState *env) { - if (!env->kvm_vcpu_dirty) + if (!env->kvm_vcpu_dirty) { run_on_cpu(env, do_kvm_cpu_synchronize_state, env); + } } void kvm_cpu_synchronize_post_reset(CPUState *env) @@ -1011,9 +1016,9 @@ int kvm_ioctl(KVMState *s, int type, ...) va_end(ap); ret = ioctl(s->fd, type, arg); - if (ret == -1) + if (ret == -1) { ret = -errno; - + } return ret; } @@ -1028,9 +1033,9 @@ int kvm_vm_ioctl(KVMState *s, int type, ...) va_end(ap); ret = ioctl(s->vmfd, type, arg); - if (ret == -1) + if (ret == -1) { ret = -errno; - + } return ret; } @@ -1045,9 +1050,9 @@ int kvm_vcpu_ioctl(CPUState *env, int type, ...) va_end(ap); ret = ioctl(env->kvm_fd, type, arg); - if (ret == -1) + if (ret == -1) { ret = -errno; - + } return ret; } @@ -1116,8 +1121,9 @@ struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *env, struct kvm_sw_breakpoint *bp; QTAILQ_FOREACH(bp, &env->kvm_state->kvm_sw_breakpoints, entry) { - if (bp->pc == pc) + if (bp->pc == pc) { return bp; + } } return NULL; } @@ -1172,8 +1178,9 @@ int kvm_insert_breakpoint(CPUState *current_env, target_ulong addr, } bp = qemu_malloc(sizeof(struct kvm_sw_breakpoint)); - if (!bp) + if (!bp) { return -ENOMEM; + } bp->pc = addr; bp->use_count = 1; @@ -1187,14 +1194,16 @@ int kvm_insert_breakpoint(CPUState *current_env, target_ulong addr, bp, entry); } else { err = kvm_arch_insert_hw_breakpoint(addr, len, type); - if (err) + if (err) { return err; + } } for (env = first_cpu; env != NULL; env = env->next_cpu) { err = kvm_update_guest_debug(env, 0); - if (err) + if (err) { return err; + } } return 0; } @@ -1208,8 +1217,9 @@ int kvm_remove_breakpoint(CPUState *current_env, target_ulong addr, if (type == GDB_BREAKPOINT_SW) { bp = kvm_find_sw_breakpoint(current_env, addr); - if (!bp) + if (!bp) { return -ENOENT; + } if (bp->use_count > 1) { bp->use_count--; @@ -1217,21 +1227,24 @@ int kvm_remove_breakpoint(CPUState *current_env, target_ulong addr, } err = kvm_arch_remove_sw_breakpoint(current_env, bp); - if (err) + if (err) { return err; + } QTAILQ_REMOVE(¤t_env->kvm_state->kvm_sw_breakpoints, bp, entry); qemu_free(bp); } else { err = kvm_arch_remove_hw_breakpoint(addr, len, type); - if (err) + if (err) { return err; + } } for (env = first_cpu; env != NULL; env = env->next_cpu) { err = kvm_update_guest_debug(env, 0); - if (err) + if (err) { return err; + } } return 0; } @@ -1246,15 +1259,17 @@ void kvm_remove_all_breakpoints(CPUState *current_env) if (kvm_arch_remove_sw_breakpoint(current_env, bp) != 0) { /* Try harder to find a CPU that currently sees the breakpoint. */ for (env = first_cpu; env != NULL; env = env->next_cpu) { - if (kvm_arch_remove_sw_breakpoint(env, bp) == 0) + if (kvm_arch_remove_sw_breakpoint(env, bp) == 0) { break; + } } } } kvm_arch_remove_all_hw_breakpoints(); - for (env = first_cpu; env != NULL; env = env->next_cpu) + for (env = first_cpu; env != NULL; env = env->next_cpu) { kvm_update_guest_debug(env, 0); + } } #else /* !KVM_CAP_SET_GUEST_DEBUG */ @@ -1286,8 +1301,9 @@ int kvm_set_signal_mask(CPUState *env, const sigset_t *sigset) struct kvm_signal_mask *sigmask; int r; - if (!sigset) + if (!sigset) { return kvm_vcpu_ioctl(env, KVM_SET_SIGNAL_MASK, NULL); + } sigmask = qemu_malloc(sizeof(*sigmask) + sizeof(*sigset)); @@ -1342,13 +1358,16 @@ int kvm_set_ioeventfd_pio_word(int fd, uint16_t addr, uint16_t val, bool assign) .fd = fd, }; int r; - if (!kvm_enabled()) + if (!kvm_enabled()) { return -ENOSYS; - if (!assign) + } + if (!assign) { kick.flags |= KVM_IOEVENTFD_FLAG_DEASSIGN; + } r = kvm_vm_ioctl(kvm_state, KVM_IOEVENTFD, &kick); - if (r < 0) + if (r < 0) { return r; + } return 0; #else return -ENOSYS; -- 1.7.2.3 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html